Finding the Fourth Proportional to 4,215,616.48, 6,324,430.56 and 1,375,733.68
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Solution
The fourth proportional to 4,215,616.48, 6,324,430.56 and 1,375,733.68 is: 2,063,928.77
Step by Step Solution
- Step 1: Write the proportion equation
4,215,616.48 : 6,324,430.56 = 1,375,733.68 : x - Step 2: Convert to fraction form
4,215,616.48/6,324,430.56 = 1,375,733.68/x - Step 3: Cross multiply
4,215,616.48x = 6,324,430.56 × 1,375,733.68 - Step 4: Simplify right side
4,215,616.48x = 8,700,732,128,213.26 - Step 5: Solve for x
x = 8,700,732,128,213.26/4,215,616.48 - Step 6: Final answer
x = 2,063,928.77
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.